| article html file updated | 30 August 2025 21:32 CEST | Update | https://www.mdpi.com/2308-3417/4/2/39 |
| article html file updated | 20 July 2022 15:06 CEST | Update | N/A |
| article html file updated | 12 February 2020 21:39 CET | Update | N/A |
| article html file updated | 22 October 2019 09:22 CEST | Update | N/A |
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| article html file updated | 24 June 2019 08:52 CEST | Original file | N/A |
| article pdf uploaded. | 24 June 2019 08:51 CEST | Version of Record | https://www.mdpi.com/2308-3417/4/2/39/pdf |
| article xml uploaded. | 24 June 2019 08:51 CEST | Update | https://www.mdpi.com/2308-3417/4/2/39/xml |
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